Journal
SCANDINAVIAN JOURNAL OF GASTROENTEROLOGY
Volume 58, Issue 10, Pages 1213-1220Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00365521.2023.2214657
Keywords
Cholangioscopy-guided lithotripsy; Choledocholithiasis; electrohydraulic lithotripsy; laser lithotripsy; per-oral cholangioscopy
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Endoscopic management of large bile duct stones can be difficult, but per-oral cholangioscopy-guided electrohydraulic lithotripsy or laser lithotripsy has been increasingly used. This study aimed to compare the efficacy of these two techniques. The results showed that laser lithotripsy had a higher stone clearance success rate compared to electrohydraulic lithotripsy.
BackgroundEndoscopic management of large bile duct stones may be challenging and refractory to standard endoscopic retrograde cholangiopancreatography (ERCP) techniques. To this end, per-oral cholangioscopy (POC)-guided electrohydraulic lithotripsy (EHL) or laser lithotripsy (LL) has been increasingly utilized during ERCP. There are limited data, however, comparing EHL and LL in the management of choledocholithiasis. Therefore, the aim was to analyze and compare the efficacy of POC-guided EHL and LL for the treatment of choledocholithiasis.MethodsA database search on PubMed was performed selecting prospective English-language articles published by September 20th, 2022, in accordance with PRISMA guidelines. Studies selected included bile duct clearance as an outcome.ResultsA total of 21 prospective studies (15 using LL, 4 using EHL, and 2 both) including 726 patients were included for analysis. Complete ductal clearance was achieved in 639 (88%) patients with 87 (12%) patients having incomplete ductal clearance. Patients treated with LL had an overall median stone clearance success rate of 91.0% (IQR, 82.7-95.5), whereas EHL achieved a median stone clearance success rate of 75.8% (IQR, 74.0-82.4), [p = .03].ConclusionsLL is a highly effective form of POC-guided lithotripsy for the treatment of large bile duct stones, particularly when compared to EHL. However, direct, head-to-head randomized trials are needed to identify the most effective form of lithotripsy for treating refractory choledocholithiasis.
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